chore: configure prettier with ignore rules and format scripts + running format

documentation/roadmap.md

@@ -5,6 +5,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 0 — Foundation
+
 **Goal**: Empty repo that builds, lints, and runs end-to-end.  
 **Done when**: `pnpm dev` starts both apps; `GET /api/health` returns 200; React renders a hello page.
 
@@ -23,6 +24,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 1 — Vocabulary Data
+
 **Goal**: Word data lives in the DB and can be queried via the API.  
 **Done when**: `GET /api/terms?pair=en-it&limit=10` returns 10 terms, each with 3 distractors attached.
 
@@ -39,6 +41,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 2 — Auth
+
 **Goal**: Users can log in via Google or GitHub and stay logged in.  
 **Done when**: JWT from OpenAuth is validated by the API; protected routes redirect unauthenticated users; user row is created on first login.
 
@@ -57,6 +60,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 3 — Single-player Mode
+
 **Goal**: A logged-in user can complete a full solo quiz session.  
 **Done when**: User sees 10 questions, picks answers, sees their final score.
 
@@ -71,6 +75,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 4 — Multiplayer Rooms (Lobby)
+
 **Goal**: Players can create and join rooms; the host sees all joined players in real time.  
 **Done when**: Two browser tabs can join the same room and see each other's display names update live via WebSocket.
 
@@ -92,6 +97,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 5 — Multiplayer Game
+
 **Goal**: Host starts a game; all players answer simultaneously in real time; a winner is declared.  
 **Done when**: 2–4 players complete a 10-round game with correct live scores and a winner screen.
 
@@ -110,6 +116,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 ---
 
 ## Phase 6 — Production Deployment
+
 **Goal**: App is live on Hetzner, accessible via HTTPS on all subdomains.  
 **Done when**: `https://app.yourdomain.com` loads; `wss://api.yourdomain.com` connects; auth flow works end-to-end.
 
@@ -122,7 +129,7 @@ Each phase produces a working, deployable increment. Nothing is built speculativ
 
 ---
 
-## Phase 7 — Polish & Hardening *(post-MVP)*
+## Phase 7 — Polish & Hardening _(post-MVP)_
 
 Not required to ship, but address before real users arrive.